# #
# #
# # # print("Hello World")
# # # print("Hello World")
# # #
# # # print('haha', 'heihei', "xixi")
# # # print("haha", "heihei", "xixi", sep="|")
# #
# # # num = -5
# # # print(type(num))
# # #
# # # print(True + False)
# # # print(True + 1)
# #
# # # name="python"
# # # print("my name is %s" % name)
# # #
# # # name = "python"
# # # year = 3
# # # print("I have been learning %s for %d years." % (name,year) )
# #
# # # num = 123
# # # print("%6d" % num)
# # # print("%3d" % num)
# # # print("%2d" % num)
# # #
# # # print("%06d" % num)
# # # print("%03d" % num)
# # # print("%02d" % num)
# #
# # # num = 1.23
# # # print("%f" % num)
# # #
# # # num = 1.2345678
# # # print("%f" % num)
# # #
# # # num=2.34567
# # # print("%.7f" % num)
# #
# # # name = "python"
# # # year = 3
# # # print(f"I have been learning {name} for {year} years." )
# #
# # # print(10 + 3)
# # # print(10 - 3)
# # # print(10 * 3)
# # # print(10 / 3)
# # # print(10/10)
# # # print(10//6)
# # # print(10%6)
# # #
# # # print(10+3.1)
# # # print(10.0//6)
# #
# # # name = input("Type your name and press Enter: ")
# # # print("nam\e")
# # # print("\a")
# # #
# # # print("\\table")
# # # print("\"\"")
# # #
# # # print(r"\table")
# #
# # # a = 666
# # # b = 999
# # # if not (a > b):
# # #     print("True")
# #
# # # print(a > b)
# # # print(a < b)
# # # print(a >= 666)
# # # print(a <= 666)
# # #
# # # if(a < b) and (a >=666):
# # #     print("True")
# # #
# # # if(a < b) or ( a > b):
# # #     print("True")
# # #
# # # str="hello python"
# # # for i in str:
# # #     print(i)
# #
# # # for i in range(1, 5):
# # #     print(i)
# # #
# # # for i in range(5):
# # #     print(i)
# #
# # a = "你好"
# # # print(a, type(a))
# # #
# # # a1 = a.encode()
# # # print(a1, type(a1))
# # #
# # # # a2 = a1.decode()
# # # # print(a2, type(a2))
# # #
# # # str_2_gbk = a.encode("gbk")
# # # print(str_2_gbk, type(str_2_gbk))
# # #
# # # gbk_2_str = str_2_gbk.decode("gbk")
# # # print(gbk_2_str, type(gbk_2_str))
# # #
# # # str_2_utf8 = a.encode("utf-8")
# # # print(str_2_utf8, type(str_2_utf8))
# #
# # # 1. 字符串拼接
# # # # 这是数值运算
# # # print(10+10)
# # # # 这是字符串拼接
# # # print("10"+"10")
# # # str1 = "python"
# # # str2 = "good"
# # # print(str1 + str2)
# # # print(str1 , str2, sep="-")
# # # print(str1 , str2, sep=" ")
# # #
# # # # 输出结果
# # # # 20
# # # # 1010
# # # # pythongood
# # # # python-good
# # # # python good
# #
# # # 2. 字符串重复输出
# # # print("python good\n"*5)
# #
# # # 输出结果
# # # python good
# # # python good
# # # python good
# # # python good
# # # python good
# #
# #
# # # # 成员运算符
# # # str1 = "python"
# # # print('a' in str1)
# # # print('hon' in str1)
# # # print('on' in str1)
# # # print('ppp' not in str1)
# # # print('PYTHON' not in str1)
# # #
# # # # 输出结果
# # # # False
# # # # True
# # # # True
# # # # True
# # # # True
# #
# # # 下标/索引
# # str1 = "python"
# # print(str1[0])
# # print(str1[1])
# # print(str1[2])
# # print(str1[3])
# # print(str1[4])
# # print(str1[5])
# # # print(str1[6])  # 取值超出字符串范围，报错
# #
# # print(str1[-1])
# # print(str1[-2])
# # # print(str1[-7])  # 取值超出字符串范围，报错
# #
# # # p
# # # y
# # # t
# # # h
# # # o
# # # n
# # # n
# # # o
# #
#
# #
# # str1 = "abcdefghijk"
# # print(str1[0:4])
# # print(str1[4:7])
# # print(str1[3:])
# # print(str1[:7])
# # print("------")
# # print(str1[-1:])
# # print(str1[:-1])
# # print(str1[-5:-1])
# # print(str1[-1:-5])
# # print(str1[-1:-5:-1])
# # print(str1[0:7:2])
# # print(str1[0:8:2])
#
#
# # str1 = "python"
# # print(str1.find("th"))
# # print(str1.find("pyth"))
# # print(str1.find("shell"))
# # print(str1.find("on", 3))
# # print(str1.find("py", 3))
# # print(str1.find("on", 3, 6))
# # print(str1.find("th", 3, 5))
#
# # str1 = "python"
# # print(str1.index("th"))
# # print(str1.index("pyth"))
# # print(str1.index("shell"))
# # print(str1.index("on", 3))
# # print(str1.index("py", 3))
# # print(str1.index("on", 3, 6))
# # print(str1.index("th", 3, 5))
#
# # str1 = "i like python and linux shell"
# # print(str1.count("python"))
# # print(str1.count("n"))
# # print(str1.count("like", 2, 5))
# # print(str1.count("like", 2, 6))
#
# # print("python".capitalize())
# # print("python".startswith("py"))
# # print("python".startswith("py", 0, 1))
# # print("python".endswith("on"))
#
# # str1 = "i like python and linux shell"
# # print(str1.replace("n", "N"))
# # print(str1.replace("n", "N", 1))
#
# # str1 = "i like python and linux shell"
# # print(str1.split(" "))
#
# # list1 = [1, 2, "python", 4]
# # print(list1, type(list1))
# #
# # print(list1[0:3])
#
# # list1 = [1, 2, 3, 4]
# # list2 = [11, 12, 13]
# # list1.append("hello")
# # print(list1)
# #
# # list1.extend("abcd")
# # print(list1)
# #
# # list1.extend(list2)
# # print(list1)
# #
# # list1.insert(5, "world")
# # print(list1)
# #
# # list1.insert(13, "test")
# # print(list1)
# #
# # # [1, 2, 3, 4, 'hello']
# # # [1, 2, 3, 4, 'hello', 'a', 'b', 'c', 'd']
# # # [1, 2, 3, 4, 'hello', 'a', 'b', 'c', 'd', 11, 12, 13]
# # # [1, 2, 3, 4, 'hello', 'world', 'a', 'b', 'c', 'd', 11, 12, 13]
# # # [1, 2, 3, 4, 'hello', 'world', 'a', 'b', 'c', 'd', 11, 12, 13, 'test']
#
# # list1 = [1, 2, 3, 4]
# # list1[2] = "test"
# # print(list1)
#
# # list1 = [1, 2, 3, 4, "hello"]
# # print(1 in list1)
# # print(1 not in list1)
# # print(5 in list1)
# # print(5 not in list1)
# # print("hello" in list1)
# # print("world" not in list1)
#
#
# # name_list = ["zhangsan", "lisi", "wangwu"]
# # while True:
# #     name = input("Please input the username: ")
# #     if name in name_list:
# #         print(f"User {name} exist")
# #     else:
# #         print(f"User {name} create success")
# #         name_list.append(name)
# #         print(name_list)
# #         break
#
# # list1 = ['a', 'b', 'c', 'd']
# # del list1[2]
# # print(list1)
# # del list1
# # print(list1)
#
# # list1 = ['a', 'b', 'c', 'd']
# # list1.pop()
# # print(list1)
# # list1.pop(2)
# # print(list1)
# # list1.pop(5)
# #
# # list1 = [1, 4, 3, 2]
# # list2 = ['a', 'd', 'c', 'b']
# #
# # list1.sort()
# # print(list1)
# #
# # list2.sort()
# # print(list2)
#
# # list1 = [1, 4, 3, 2]
# # list1.reverse()
# # print(list1)
# #
# # list1.sort()
# # list1.reverse()
# # print(list1)
#
# # list1 = [1, 2, 3, 4, 5, 6]
# # [print(i*5) for i in list1]
#
# # list1 = []
# # for i in range(1, 6):
# #     list1.append(i)
# # print(list1)
#
# # list1 = []
# # # [list1.append(i) for i in range(1, 6)]
# # # print(list1)
# #
# # # list1 = []
# # # [list1.append(i) for i in range(1, 11) if i % 2 == 1]
# # # print(list1)
# #
# # # list1 = []
# # # for i in range(1, 11):
# # #     if i % 2 == 1:
# # #         list1.append(i)
# # # print(list1)
# #
# # list1 = [1, 2, 3, [4, 5, 6]]
# # # print(list1[3])
# # # print(list1[3][1])
# #
# # tua = (1, 2, 3, 4, 5)
# # print(type(tua))
# #
# # tub = (1)
# # tuc = (1, )
# # tud = ()
# # print(type(tub))
# # print(type(tuc))
# # print(type(tud))
# #
# # # 输出结果：
# # # <class 'tuple'>
# # # <class 'int'>
# # # <class 'tuple'>
# # # <class 'tuple'>
# #
# # print(tua[2])
# # # tua[2] = 'a'
# # print(len(list1))
# #
# # a = "12345"
# # print(len(a))
# # print(a[1:])
# # print(list1[1:])
#
# # name = "python"
# # time = 3
# # laughing = "haha"
# # print("I have been learning %s for %d years" % (name, time))
# # info = (name, time)
# # print(type(info))
# # print("I have been learning %s for %d years" % info)
# # test = (name, laughing, time)
# # print("11 %s %d %s" % test)
#
# # dict1 = {'name':'python', 'year': 3}
# # print(type(dict1))
# #
# # dict3 = {'name': 'python', 'name': 'shell'}
# # print(dict3)
# #
# # dict2 = {'name': 'python', 'language': 'python'}
# # print(dict2)
# #
# #
# # print(dict1['name'])
# #
# # # print(dict1[0])
# #
# # # print(dict1['age'])
# #
# # print(dict1.get('name'))
# # print(dict1.get('age'))
# # print(dict1.get('age', 'Value doesnt exist'))
# #
# # dict1['year'] = 7
# # print(dict1)
# #
# # dict1['age'] = 17
# # print(dict1)
# #
# # dict4 = {'name': 'python', 'name': 'shell'}
# # print(dict4)
# # # del dict4
# # print(dict4)
#
# # dict5 = {'name': 'python', 'name': 'shell'}
# # del dict5['name']
# # print(dict5)
# #
# # dict6 = {'name': 'python', 'year': 3}
# # del dict6['name']
# # print(dict6)
# # # del dict6['age']
#
# # dict7 = {'name': 'python', 'year': '3'}
# # dict7.clear()
# # print(dict7)
# # dict7['info'] = 'remake'
# # print(dict7)
#
# # dict8 = {'name': 'python', 'year': 3}
# # dict8.pop('name')
# # print(dict8)
# #
# # dict8.pop()
#
# dict9 = {'name': 'python', 'year': 3, 'age': 17}
# # dict9.popitem()
# # print(dict9)
#
# # print(len(dict9))
#
# print(dict9.keys())
# test1 = dict9.keys()
# print(type(test1))
#
# for i in dict9.keys():
#     print(i)
#
# # for i in dict9:
# #     print(i)
#
# print(dict9.values())
#
# for i in dict9.values():
#     print(i)
#
# print(dict9.items())
#
# for i in dict9.items():
#     print(i, type(i))

# s1 = set()
# print(s1, type(s1))
#
# s1 = {'a', 'b', 'c', 'd', 'e', 'f'}
# print(s1)
#
# s2 = {1, 2, 3, 4, 5, 6}
# print(s2)
#
# print(hash('a'))
# print(hash('b'))
# print(hash('c'))
# print(hash('d'))
#
# print(hash(1))
# print(hash(2))
# print(hash(3))
# print(hash(4))


# s3 = {1, 2, 3, 'c', 'd', 'e', 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}
# print(s3)

# s4 = {1, 2, 4, 6, 3, 2, 4, 5}
# print(s4)

# s5 = {1, 2, 3, 4}
# # print("ori: ", s5)
#
# s5.add(5)
# print("now: ", s5)
#
# s5.add((5, 6))
# print("new: ", s5)
#

# a = {1, 2, 3, 4}
# b = {6, 8}
# c = {1, 3, 4, 7}
# print(a & b)
# print(a & c)
#
# print(a | b)
# print(a | c)

# a = 1.2
# print(type(a))
# b = int(a)
# print(b, type(b))
#
#
# i = int('123')
# print(i, type(i))
# print(int('-123'))
# print(int('+1234'))
# print(int('0'))
#
# age = int(input("Please input your age: "))
# if age >= 18:
#     print("You are over 18.")

# print(float(11))
# print(float(-11))
# print(float("+1.239"))

# st = str(-1.8000)
# print(st, type(st))

# li = [1, 2, 3]
# st1 = str(li)
# print(st1, type(st1))

# print(10+10)
# print('10'+'10')
# print('10+10')
# print(eval('10+10'))
#
# st1 = "[[1, 2], [3, 4], [5, 6]]"
# print(type(st1))
# li = eval(st1)
# print(li, type(li))
#
# st2 = "{'name': 'python', 'year': 3}"
# print(type(st2))
# dic = eval(st2)
# print(dic, type(dic))

# print(list('abcdefg'))
# print(list((1, 2, 3, 4)))
# print(list({'name': 'python', 'year': 3}))
# print(list({'a', 'b', 'c', 'b'}))


print(chr(120))